Pneumatic tire tread and buttress



FIG. 1 is a perspective view of a pneumatic tire tread and buttress embodying my new design, it being understood that the pattern is repeated throughout the circumference of the tread and buttress as shown schematically by solid lines and that the buttress pattern is repeated on the opposite side;

FIG. 2 is an enlarged fragmentary developmental plan view thereof; and,

FIG. 3 is an enlarged sectional view taken substantially as indicated by line 3--3 of FIG. 2. 

The ornamental design for a pneumatic tire tread and buttress, substantially as shown and described. 